具有凉血止血、清热利尿、清肺胃热功效的药物是（）。
A.大蓟
B.小蓟
C.白茅根
D.地榆
E.槐花
参考答案：C
按正确顺序填写序号。
( ) How do you know?
( ) I think it is too scary.
( ) That is a very bad movie.
( ) I like Drive a Car.
( ) Let's go to the movie theatre to watch a movie.
( ) I saw it last Sunday.
( ) No, I don't want to see that!
( ) What movie do you want to see?
消防水泵结合器的数量应按室内消防用水量计算确定，每个消防水泵结合器的流量按照（）L/s计算。
A、5～10
B、10～15
C、15～20
D、20～25
